A three-phase induction motor is driven efficiently from a single- phase power supply by reconnecting the motor windings and using two or more capacitors to provide balanced currents and voltages in the windings at preselected values of power. A similar method is used to drive a three- terminal...
Sensorless Vector Control, Vector Control Rated Power 0.75-500kw Nominal Voltage 380V power phase number Three Phase Other attributes Place of Origin Zhejiang, China Brand Name Hiatran Model Number HCD-G6/G6P/G6I Type AC Motor VFD Product name ...
This article explains several common control circuit designs for the most typical three-phase motor requirements. If the motor needs to drive forward and reverse, or if it needs a variable speed control, then there must be a specific circuit used to drive such an application. ...
A pulse generator that can generate pulses separated by 120 degrees phase on each of three separate phase output leads for use with a 3-phase motor power driver. These output pulses can be of any desired frequency and voltage. In a particular embodiment of the invention, the phase output ...
专利名称：THREE-PHASE AC MOTOR CONTROLLER 发明人：FUJIOKA, Yoshiki 申请号：EP87904096.2 申请日：19870618 公开号：EP0270689A1 公开日：19880615 专利内容由知识产权出版社提供 专利附图：摘要：This invention employs static induction-type transistors (SIT) as inverter circuit control elements for a ...
Figure 1: Industrial three-phase induction AC motor with the output rotating shaft on the left and the electrical terminal box on top. (Image source: Leroy-Somer) The principles of vector control, also called field-oriented control, manage these AC motors. Most modern high-performance drives ha...
Reliable Performance: The Low price delta three phase motor speed controller by Chziri is designed to provide a reliable performance with a power rating of 45kW, making it suitable for various industrial applications. Wide Input Voltage Compatibility: The product is compatible with both 380V and 44...
United States Patent US9979330 Note: If you have problems viewing the PDF, please make sure you have the latest version of Adobe Acrobat. Back to full textHome Search Services Contact us © 2004-2024 FreePatentsOnline.com. All rights reserved. Privacy Policy & Terms of Use....
Three-phase induction motor control method 专利名称：Three-phase induction motor control method 发明人：Yoshiki Fujioka,Shinichi Kouno 申请号：US07/002405 申请日：19861215 公开号：US04800327A 公开日：19890124 专利内容由知识产权出版社提供 摘要：A three-phase induction motor control method according to ...
a control unit for a three-phase motor capable of accurately obtaining current provided to a phase coil, in the case of detecting the current supplied to two phase coils in a three-phase motor having three phase coils and calculatively obtaining the current supplied to the other phase coil.收...